Which of the following is associated with +decay? (a) The parent and daughter nu

Question

Which of the following is associated with +decay? (a) The parent and daughter nuclei still have the same n/pratio (b) The ratio of neutrons to protons is too low forstablility (c) Repulsion forces among large numbers of protons make thenucleus unstable (d) Tho ratio of neutrons to protons is too high forstability Which of the following is associated with +decay? (a) The parent and daughter nuclei still have the same n/pratio (b) The ratio of neutrons to protons is too low forstablility (c) Repulsion forces among large numbers of protons make thenucleus unstable (d) Tho ratio of neutrons to protons is too high forstability

Explanation / Answer

(b) The ratio of neutrons to protons is too low forstablility Beta decay occurs when, in a nucleus with too many protons ortoo many neutrons, one of the protons or neutrons is transformedinto the other. In beta minus decay, a neutron decays into aproton, an electron, and an antineutrino: n Æ p + e - +. In betaplus decay, a proton decays into a neutron, a positron, and aneutrino: p Æ n + e++n.

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